| 1 | /* |
| 2 | * $NetBSD: ulpt.c,v 1.55 2002/10/23 09:14:01 jdolecek Exp $ |
| 3 | * $FreeBSD: src/sys/dev/usb/ulpt.c,v 1.59 2003/09/28 20:48:13 phk Exp $ |
| 4 | * $DragonFly: src/sys/dev/usbmisc/ulpt/ulpt.c,v 1.14 2006/09/10 01:26:37 dillon Exp $ |
| 5 | */ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (c) 1998 The NetBSD Foundation, Inc. |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * This code is derived from software contributed to The NetBSD Foundation |
| 12 | * by Lennart Augustsson (lennart@augustsson.net) at |
| 13 | * Carlstedt Research & Technology. |
| 14 | * |
| 15 | * Redistribution and use in source and binary forms, with or without |
| 16 | * modification, are permitted provided that the following conditions |
| 17 | * are met: |
| 18 | * 1. Redistributions of source code must retain the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer. |
| 20 | * 2. Redistributions in binary form must reproduce the above copyright |
| 21 | * notice, this list of conditions and the following disclaimer in the |
| 22 | * documentation and/or other materials provided with the distribution. |
| 23 | * 3. All advertising materials mentioning features or use of this software |
| 24 | * must display the following acknowledgement: |
| 25 | * This product includes software developed by the NetBSD |
| 26 | * Foundation, Inc. and its contributors. |
| 27 | * 4. Neither the name of The NetBSD Foundation nor the names of its |
| 28 | * contributors may be used to endorse or promote products derived |
| 29 | * from this software without specific prior written permission. |
| 30 | * |
| 31 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 32 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 33 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 34 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 35 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 36 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 37 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 38 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 39 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 40 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 41 | * POSSIBILITY OF SUCH DAMAGE. |
| 42 | */ |
| 43 | |
| 44 | /* |
| 45 | * Printer Class spec: http://www.usb.org/developers/data/devclass/usbprint109.PDF |
| 46 | */ |
| 47 | |
| 48 | #include <sys/param.h> |
| 49 | #include <sys/systm.h> |
| 50 | #include <sys/proc.h> |
| 51 | #include <sys/kernel.h> |
| 52 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 53 | #include <sys/device.h> |
| 54 | #include <sys/ioctl.h> |
| 55 | #elif defined(__FreeBSD__) || defined(__DragonFly__) |
| 56 | #include <sys/ioccom.h> |
| 57 | #include <sys/module.h> |
| 58 | #include <sys/bus.h> |
| 59 | #endif |
| 60 | #include <sys/uio.h> |
| 61 | #include <sys/conf.h> |
| 62 | #include <sys/device.h> |
| 63 | #include <sys/syslog.h> |
| 64 | #include <sys/sysctl.h> |
| 65 | #include <sys/thread2.h> |
| 66 | |
| 67 | #include <bus/usb/usb.h> |
| 68 | #include <bus/usb/usbdi.h> |
| 69 | #include <bus/usb/usbdi_util.h> |
| 70 | #include <bus/usb/usbdevs.h> |
| 71 | #include <bus/usb/usb_quirks.h> |
| 72 | |
| 73 | #define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */ |
| 74 | #define STEP hz/4 |
| 75 | |
| 76 | #define ULPT_BSIZE 16384 |
| 77 | |
| 78 | #ifdef USB_DEBUG |
| 79 | #define DPRINTF(x) if (ulptdebug) logprintf x |
| 80 | #define DPRINTFN(n,x) if (ulptdebug>(n)) logprintf x |
| 81 | int ulptdebug = 0; |
| 82 | SYSCTL_NODE(_hw_usb, OID_AUTO, ulpt, CTLFLAG_RW, 0, "USB ulpt"); |
| 83 | SYSCTL_INT(_hw_usb_ulpt, OID_AUTO, debug, CTLFLAG_RW, |
| 84 | &ulptdebug, 0, "ulpt debug level"); |
| 85 | #else |
| 86 | #define DPRINTF(x) |
| 87 | #define DPRINTFN(n,x) |
| 88 | #endif |
| 89 | |
| 90 | #define UR_GET_DEVICE_ID 0 |
| 91 | #define UR_GET_PORT_STATUS 1 |
| 92 | #define UR_SOFT_RESET 2 |
| 93 | |
| 94 | #define LPS_NERR 0x08 /* printer no error */ |
| 95 | #define LPS_SELECT 0x10 /* printer selected */ |
| 96 | #define LPS_NOPAPER 0x20 /* printer out of paper */ |
| 97 | #define LPS_INVERT (LPS_SELECT|LPS_NERR) |
| 98 | #define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER) |
| 99 | |
| 100 | struct ulpt_softc { |
| 101 | USBBASEDEVICE sc_dev; |
| 102 | usbd_device_handle sc_udev; /* device */ |
| 103 | usbd_interface_handle sc_iface; /* interface */ |
| 104 | int sc_ifaceno; |
| 105 | |
| 106 | int sc_out; |
| 107 | usbd_pipe_handle sc_out_pipe; /* bulk out pipe */ |
| 108 | |
| 109 | int sc_in; |
| 110 | usbd_pipe_handle sc_in_pipe; /* bulk in pipe */ |
| 111 | usbd_xfer_handle sc_in_xfer1; |
| 112 | usbd_xfer_handle sc_in_xfer2; |
| 113 | u_char sc_junk[64]; /* somewhere to dump input */ |
| 114 | |
| 115 | u_char sc_state; |
| 116 | #define ULPT_OPEN 0x01 /* device is open */ |
| 117 | #define ULPT_OBUSY 0x02 /* printer is busy doing output */ |
| 118 | #define ULPT_INIT 0x04 /* waiting to initialize for open */ |
| 119 | u_char sc_flags; |
| 120 | #define ULPT_NOPRIME 0x40 /* don't prime on open */ |
| 121 | u_char sc_laststatus; |
| 122 | |
| 123 | int sc_refcnt; |
| 124 | u_char sc_dying; |
| 125 | }; |
| 126 | |
| 127 | #if defined(__NetBSD__) |
| 128 | dev_type_open(ulptopen); |
| 129 | dev_type_close(ulptclose); |
| 130 | dev_type_write(ulptwrite); |
| 131 | dev_type_ioctl(ulptioctl); |
| 132 | |
| 133 | const struct cdevsw ulpt_cdevsw = { |
| 134 | ulptopen, ulptclose, noread, ulptwrite, ulptioctl, |
| 135 | nostop, notty, nopoll, nommap, nokqfilter, |
| 136 | }; |
| 137 | #elif defined(__OpenBSD__) |
| 138 | cdev_decl(ulpt); |
| 139 | #elif defined(__FreeBSD__) || defined(__DragonFly__) |
| 140 | Static d_open_t ulptopen; |
| 141 | Static d_close_t ulptclose; |
| 142 | Static d_write_t ulptwrite; |
| 143 | Static d_ioctl_t ulptioctl; |
| 144 | |
| 145 | #define ULPT_CDEV_MAJOR 113 |
| 146 | |
| 147 | Static struct dev_ops ulpt_ops = { |
| 148 | { "ulpt", ULPT_CDEV_MAJOR, 0 }, |
| 149 | .d_open = ulptopen, |
| 150 | .d_close = ulptclose, |
| 151 | .d_write = ulptwrite, |
| 152 | .d_ioctl = ulptioctl, |
| 153 | }; |
| 154 | #endif |
| 155 | |
| 156 | void ulpt_disco(void *); |
| 157 | |
| 158 | int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int); |
| 159 | int ulpt_status(struct ulpt_softc *); |
| 160 | void ulpt_reset(struct ulpt_softc *); |
| 161 | int ulpt_statusmsg(u_char, struct ulpt_softc *); |
| 162 | |
| 163 | #if 0 |
| 164 | void ieee1284_print_id(char *); |
| 165 | #endif |
| 166 | |
| 167 | #define ULPTUNIT(s) (minor(s) & 0x1f) |
| 168 | #define ULPTFLAGS(s) (minor(s) & 0xe0) |
| 169 | |
| 170 | |
| 171 | USB_DECLARE_DRIVER(ulpt); |
| 172 | |
| 173 | USB_MATCH(ulpt) |
| 174 | { |
| 175 | USB_MATCH_START(ulpt, uaa); |
| 176 | usb_interface_descriptor_t *id; |
| 177 | |
| 178 | DPRINTFN(10,("ulpt_match\n")); |
| 179 | if (uaa->iface == NULL) |
| 180 | return (UMATCH_NONE); |
| 181 | id = usbd_get_interface_descriptor(uaa->iface); |
| 182 | if (id != NULL && |
| 183 | id->bInterfaceClass == UICLASS_PRINTER && |
| 184 | id->bInterfaceSubClass == UISUBCLASS_PRINTER && |
| 185 | (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI || |
| 186 | id->bInterfaceProtocol == UIPROTO_PRINTER_BI || |
| 187 | id->bInterfaceProtocol == UIPROTO_PRINTER_1284)) |
| 188 | return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); |
| 189 | return (UMATCH_NONE); |
| 190 | } |
| 191 | |
| 192 | USB_ATTACH(ulpt) |
| 193 | { |
| 194 | USB_ATTACH_START(ulpt, sc, uaa); |
| 195 | usbd_device_handle dev = uaa->device; |
| 196 | usbd_interface_handle iface = uaa->iface; |
| 197 | usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface); |
| 198 | usb_interface_descriptor_t *id, *iend; |
| 199 | usb_config_descriptor_t *cdesc; |
| 200 | usbd_status err; |
| 201 | char devinfo[1024]; |
| 202 | usb_endpoint_descriptor_t *ed; |
| 203 | u_int8_t epcount; |
| 204 | int i, altno; |
| 205 | |
| 206 | DPRINTFN(10,("ulpt_attach: sc=%p\n", sc)); |
| 207 | usbd_devinfo(dev, 0, devinfo); |
| 208 | USB_ATTACH_SETUP; |
| 209 | printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), |
| 210 | devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass); |
| 211 | |
| 212 | /* XXX |
| 213 | * Stepping through the alternate settings needs to be abstracted out. |
| 214 | */ |
| 215 | cdesc = usbd_get_config_descriptor(dev); |
| 216 | if (cdesc == NULL) { |
| 217 | printf("%s: failed to get configuration descriptor\n", |
| 218 | USBDEVNAME(sc->sc_dev)); |
| 219 | USB_ATTACH_ERROR_RETURN; |
| 220 | } |
| 221 | iend = (usb_interface_descriptor_t *) |
| 222 | ((char *)cdesc + UGETW(cdesc->wTotalLength)); |
| 223 | #ifdef DIAGNOSTIC |
| 224 | if (ifcd < (usb_interface_descriptor_t *)cdesc || |
| 225 | ifcd >= iend) |
| 226 | panic("ulpt: iface desc out of range"); |
| 227 | #endif |
| 228 | /* Step through all the descriptors looking for bidir mode */ |
| 229 | for (id = ifcd, altno = 0; |
| 230 | id < iend; |
| 231 | id = (void *)((char *)id + id->bLength)) { |
| 232 | if (id->bDescriptorType == UDESC_INTERFACE && |
| 233 | id->bInterfaceNumber == ifcd->bInterfaceNumber) { |
| 234 | if (id->bInterfaceClass == UICLASS_PRINTER && |
| 235 | id->bInterfaceSubClass == UISUBCLASS_PRINTER && |
| 236 | (id->bInterfaceProtocol == UIPROTO_PRINTER_BI /* || |
| 237 | id->bInterfaceProtocol == UIPROTO_PRINTER_1284 */)) |
| 238 | goto found; |
| 239 | altno++; |
| 240 | } |
| 241 | } |
| 242 | id = ifcd; /* not found, use original */ |
| 243 | found: |
| 244 | if (id != ifcd) { |
| 245 | /* Found a new bidir setting */ |
| 246 | DPRINTF(("ulpt_attach: set altno = %d\n", altno)); |
| 247 | err = usbd_set_interface(iface, altno); |
| 248 | if (err) { |
| 249 | printf("%s: setting alternate interface failed\n", |
| 250 | USBDEVNAME(sc->sc_dev)); |
| 251 | sc->sc_dying = 1; |
| 252 | USB_ATTACH_ERROR_RETURN; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | epcount = 0; |
| 257 | (void)usbd_endpoint_count(iface, &epcount); |
| 258 | |
| 259 | sc->sc_in = -1; |
| 260 | sc->sc_out = -1; |
| 261 | for (i = 0; i < epcount; i++) { |
| 262 | ed = usbd_interface2endpoint_descriptor(iface, i); |
| 263 | if (ed == NULL) { |
| 264 | printf("%s: couldn't get ep %d\n", |
| 265 | USBDEVNAME(sc->sc_dev), i); |
| 266 | USB_ATTACH_ERROR_RETURN; |
| 267 | } |
| 268 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 269 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 270 | sc->sc_in = ed->bEndpointAddress; |
| 271 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && |
| 272 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 273 | sc->sc_out = ed->bEndpointAddress; |
| 274 | } |
| 275 | } |
| 276 | if (sc->sc_out == -1) { |
| 277 | printf("%s: could not find bulk out endpoint\n", |
| 278 | USBDEVNAME(sc->sc_dev)); |
| 279 | sc->sc_dying = 1; |
| 280 | USB_ATTACH_ERROR_RETURN; |
| 281 | } |
| 282 | |
| 283 | if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) { |
| 284 | /* This device doesn't handle reading properly. */ |
| 285 | sc->sc_in = -1; |
| 286 | } |
| 287 | |
| 288 | printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev), |
| 289 | sc->sc_in >= 0 ? "bi" : "uni"); |
| 290 | |
| 291 | DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out)); |
| 292 | |
| 293 | sc->sc_iface = iface; |
| 294 | sc->sc_ifaceno = id->bInterfaceNumber; |
| 295 | sc->sc_udev = dev; |
| 296 | |
| 297 | #if 0 |
| 298 | /* |
| 299 | * This code is disabled because for some mysterious reason it causes |
| 300 | * printing not to work. But only sometimes, and mostly with |
| 301 | * UHCI and less often with OHCI. *sigh* |
| 302 | */ |
| 303 | { |
| 304 | usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); |
| 305 | usb_device_request_t req; |
| 306 | int len, alen; |
| 307 | |
| 308 | req.bmRequestType = UT_READ_CLASS_INTERFACE; |
| 309 | req.bRequest = UR_GET_DEVICE_ID; |
| 310 | USETW(req.wValue, cd->bConfigurationValue); |
| 311 | USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting); |
| 312 | USETW(req.wLength, sizeof devinfo - 1); |
| 313 | err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK, |
| 314 | &alen, USBD_DEFAULT_TIMEOUT); |
| 315 | if (err) { |
| 316 | printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev)); |
| 317 | } else if (alen <= 2) { |
| 318 | printf("%s: empty device id, no printer connected?\n", |
| 319 | USBDEVNAME(sc->sc_dev)); |
| 320 | } else { |
| 321 | /* devinfo now contains an IEEE-1284 device ID */ |
| 322 | len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff); |
| 323 | if (len > sizeof devinfo - 3) |
| 324 | len = sizeof devinfo - 3; |
| 325 | devinfo[len] = 0; |
| 326 | printf("%s: device id <", USBDEVNAME(sc->sc_dev)); |
| 327 | ieee1284_print_id(devinfo+2); |
| 328 | printf(">\n"); |
| 329 | } |
| 330 | } |
| 331 | #endif |
| 332 | |
| 333 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
| 334 | dev_ops_add(&ulpt_ops, -1, device_get_unit(self)); |
| 335 | make_dev(&ulpt_ops, device_get_unit(self), |
| 336 | UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self)); |
| 337 | make_dev(&ulpt_ops, |
| 338 | device_get_unit(self)|ULPT_NOPRIME, |
| 339 | UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self)); |
| 340 | #endif |
| 341 | |
| 342 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, |
| 343 | USBDEV(sc->sc_dev)); |
| 344 | |
| 345 | USB_ATTACH_SUCCESS_RETURN; |
| 346 | } |
| 347 | |
| 348 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 349 | int |
| 350 | ulpt_activate(device_ptr_t self, enum devact act) |
| 351 | { |
| 352 | struct ulpt_softc *sc = (struct ulpt_softc *)self; |
| 353 | |
| 354 | switch (act) { |
| 355 | case DVACT_ACTIVATE: |
| 356 | return (EOPNOTSUPP); |
| 357 | |
| 358 | case DVACT_DEACTIVATE: |
| 359 | sc->sc_dying = 1; |
| 360 | break; |
| 361 | } |
| 362 | return (0); |
| 363 | } |
| 364 | #endif |
| 365 | |
| 366 | USB_DETACH(ulpt) |
| 367 | { |
| 368 | USB_DETACH_START(ulpt, sc); |
| 369 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 370 | int maj, mn; |
| 371 | #endif |
| 372 | |
| 373 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 374 | DPRINTF(("ulpt_detach: sc=%p flags=%d\n", sc, flags)); |
| 375 | #elif defined(__FreeBSD__) || defined(__DragonFly__) |
| 376 | DPRINTF(("ulpt_detach: sc=%p\n", sc)); |
| 377 | #endif |
| 378 | |
| 379 | sc->sc_dying = 1; |
| 380 | if (sc->sc_out_pipe != NULL) |
| 381 | usbd_abort_pipe(sc->sc_out_pipe); |
| 382 | if (sc->sc_in_pipe != NULL) |
| 383 | usbd_abort_pipe(sc->sc_in_pipe); |
| 384 | |
| 385 | /* |
| 386 | * Wait for any ongoing operations to complete before we actually |
| 387 | * close things down. |
| 388 | */ |
| 389 | |
| 390 | crit_enter(); |
| 391 | --sc->sc_refcnt; |
| 392 | if (sc->sc_refcnt >= 0) { |
| 393 | printf("%s: waiting for idle\n", USBDEVNAME(sc->sc_dev)); |
| 394 | while (sc->sc_refcnt >= 0) |
| 395 | usb_detach_wait(USBDEV(sc->sc_dev)); |
| 396 | printf("%s: idle wait done\n", USBDEVNAME(sc->sc_dev)); |
| 397 | } |
| 398 | crit_exit(); |
| 399 | |
| 400 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 401 | /* locate the major number */ |
| 402 | #if defined(__NetBSD__) |
| 403 | maj = cdevsw_lookup_major(&ulpt_cdevsw); |
| 404 | #elif defined(__OpenBSD__) |
| 405 | for (maj = 0; maj < nchrdev; maj++) |
| 406 | if (cdevsw[maj].d_open == ulptopen) |
| 407 | break; |
| 408 | #endif |
| 409 | |
| 410 | /* Nuke the vnodes for any open instances (calls close). */ |
| 411 | mn = self->dv_unit; |
| 412 | vdevgone(maj, mn, mn, VCHR); |
| 413 | #elif defined(__FreeBSD__) || defined(__DragonFly__) |
| 414 | dev_ops_remove(&ulpt_ops, -1, device_get_unit(self)); |
| 415 | #endif |
| 416 | |
| 417 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, |
| 418 | USBDEV(sc->sc_dev)); |
| 419 | |
| 420 | return (0); |
| 421 | } |
| 422 | |
| 423 | int |
| 424 | ulpt_status(struct ulpt_softc *sc) |
| 425 | { |
| 426 | usb_device_request_t req; |
| 427 | usbd_status err; |
| 428 | u_char status; |
| 429 | |
| 430 | req.bmRequestType = UT_READ_CLASS_INTERFACE; |
| 431 | req.bRequest = UR_GET_PORT_STATUS; |
| 432 | USETW(req.wValue, 0); |
| 433 | USETW(req.wIndex, sc->sc_ifaceno); |
| 434 | USETW(req.wLength, 1); |
| 435 | err = usbd_do_request(sc->sc_udev, &req, &status); |
| 436 | DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err)); |
| 437 | if (!err) |
| 438 | return (status); |
| 439 | else |
| 440 | return (0); |
| 441 | } |
| 442 | |
| 443 | void |
| 444 | ulpt_reset(struct ulpt_softc *sc) |
| 445 | { |
| 446 | usb_device_request_t req; |
| 447 | |
| 448 | DPRINTFN(1, ("ulpt_reset\n")); |
| 449 | req.bRequest = UR_SOFT_RESET; |
| 450 | USETW(req.wValue, 0); |
| 451 | USETW(req.wIndex, sc->sc_ifaceno); |
| 452 | USETW(req.wLength, 0); |
| 453 | |
| 454 | /* |
| 455 | * There was a mistake in the USB printer 1.0 spec that gave the |
| 456 | * request type as UT_WRITE_CLASS_OTHER; it should have been |
| 457 | * UT_WRITE_CLASS_INTERFACE. Many printers use the old one, |
| 458 | * so we try both. |
| 459 | */ |
| 460 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
| 461 | if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */ |
| 462 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
| 463 | (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */ |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | static void |
| 468 | ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) |
| 469 | { |
| 470 | struct ulpt_softc *sc = priv; |
| 471 | u_int32_t count; |
| 472 | |
| 473 | /* Don't loop on errors or 0-length input. */ |
| 474 | usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); |
| 475 | if (status != USBD_NORMAL_COMPLETION || count == 0) |
| 476 | return; |
| 477 | |
| 478 | DPRINTFN(2,("ulpt_input: got some data\n")); |
| 479 | /* Do it again. */ |
| 480 | if (xfer == sc->sc_in_xfer1) |
| 481 | usbd_transfer(sc->sc_in_xfer2); |
| 482 | else |
| 483 | usbd_transfer(sc->sc_in_xfer1); |
| 484 | } |
| 485 | |
| 486 | int ulptusein = 1; |
| 487 | |
| 488 | /* |
| 489 | * Reset the printer, then wait until it's selected and not busy. |
| 490 | */ |
| 491 | int |
| 492 | ulptopen(struct dev_open_args *ap) |
| 493 | { |
| 494 | cdev_t dev = ap->a_head.a_dev; |
| 495 | u_char flags = ULPTFLAGS(dev); |
| 496 | struct ulpt_softc *sc; |
| 497 | usbd_status err; |
| 498 | int spin, error; |
| 499 | |
| 500 | USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc); |
| 501 | |
| 502 | if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying) |
| 503 | return (ENXIO); |
| 504 | |
| 505 | if (sc->sc_state) |
| 506 | return (EBUSY); |
| 507 | |
| 508 | sc->sc_state = ULPT_INIT; |
| 509 | sc->sc_flags = flags; |
| 510 | DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags)); |
| 511 | |
| 512 | #if defined(USB_DEBUG) && (defined(__FreeBSD__) || defined(__DragonFly__)) |
| 513 | /* Ignoring these flags might not be a good idea */ |
| 514 | if ((flags & ~ULPT_NOPRIME) != 0) |
| 515 | printf("ulptopen: flags ignored: %b\n", flags, |
| 516 | "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS"); |
| 517 | #endif |
| 518 | |
| 519 | error = 0; |
| 520 | sc->sc_refcnt++; |
| 521 | |
| 522 | if ((flags & ULPT_NOPRIME) == 0) { |
| 523 | ulpt_reset(sc); |
| 524 | if (sc->sc_dying) { |
| 525 | error = ENXIO; |
| 526 | sc->sc_state = 0; |
| 527 | goto done; |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) { |
| 532 | DPRINTF(("ulpt_open: waiting a while\n")); |
| 533 | if (spin >= TIMEOUT) { |
| 534 | error = EBUSY; |
| 535 | sc->sc_state = 0; |
| 536 | goto done; |
| 537 | } |
| 538 | |
| 539 | /* wait 1/4 second, give up if we get a signal */ |
| 540 | error = tsleep((caddr_t)sc, PCATCH, "ulptop", STEP); |
| 541 | if (error != EWOULDBLOCK) { |
| 542 | sc->sc_state = 0; |
| 543 | goto done; |
| 544 | } |
| 545 | |
| 546 | if (sc->sc_dying) { |
| 547 | error = ENXIO; |
| 548 | sc->sc_state = 0; |
| 549 | goto done; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe); |
| 554 | if (err) { |
| 555 | sc->sc_state = 0; |
| 556 | error = EIO; |
| 557 | goto done; |
| 558 | } |
| 559 | |
| 560 | if (ulptusein && sc->sc_in != -1) { |
| 561 | DPRINTF(("ulpt_open: open input pipe\n")); |
| 562 | err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe); |
| 563 | if (err) { |
| 564 | error = EIO; |
| 565 | usbd_close_pipe(sc->sc_out_pipe); |
| 566 | sc->sc_out_pipe = NULL; |
| 567 | sc->sc_state = 0; |
| 568 | goto done; |
| 569 | } |
| 570 | sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev); |
| 571 | sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev); |
| 572 | if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) { |
| 573 | error = ENOMEM; |
| 574 | if (sc->sc_in_xfer1 != NULL) { |
| 575 | usbd_free_xfer(sc->sc_in_xfer1); |
| 576 | sc->sc_in_xfer1 = NULL; |
| 577 | } |
| 578 | if (sc->sc_in_xfer2 != NULL) { |
| 579 | usbd_free_xfer(sc->sc_in_xfer2); |
| 580 | sc->sc_in_xfer2 = NULL; |
| 581 | } |
| 582 | usbd_close_pipe(sc->sc_out_pipe); |
| 583 | sc->sc_out_pipe = NULL; |
| 584 | usbd_close_pipe(sc->sc_in_pipe); |
| 585 | sc->sc_in_pipe = NULL; |
| 586 | sc->sc_state = 0; |
| 587 | goto done; |
| 588 | } |
| 589 | usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc, |
| 590 | sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, |
| 591 | USBD_NO_TIMEOUT, ulpt_input); |
| 592 | usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc, |
| 593 | sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, |
| 594 | USBD_NO_TIMEOUT, ulpt_input); |
| 595 | usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */ |
| 596 | } |
| 597 | |
| 598 | sc->sc_state = ULPT_OPEN; |
| 599 | |
| 600 | done: |
| 601 | if (--sc->sc_refcnt < 0) |
| 602 | usb_detach_wakeup(USBDEV(sc->sc_dev)); |
| 603 | |
| 604 | DPRINTF(("ulptopen: done, error=%d\n", error)); |
| 605 | return (error); |
| 606 | } |
| 607 | |
| 608 | int |
| 609 | ulpt_statusmsg(u_char status, struct ulpt_softc *sc) |
| 610 | { |
| 611 | u_char new; |
| 612 | |
| 613 | status = (status ^ LPS_INVERT) & LPS_MASK; |
| 614 | new = status & ~sc->sc_laststatus; |
| 615 | sc->sc_laststatus = status; |
| 616 | |
| 617 | if (new & LPS_SELECT) |
| 618 | log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev)); |
| 619 | else if (new & LPS_NOPAPER) |
| 620 | log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev)); |
| 621 | else if (new & LPS_NERR) |
| 622 | log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev)); |
| 623 | |
| 624 | return (status); |
| 625 | } |
| 626 | |
| 627 | int |
| 628 | ulptclose(struct dev_close_args *ap) |
| 629 | { |
| 630 | cdev_t dev = ap->a_head.a_dev; |
| 631 | struct ulpt_softc *sc; |
| 632 | |
| 633 | USB_GET_SC(ulpt, ULPTUNIT(dev), sc); |
| 634 | |
| 635 | if (sc->sc_state != ULPT_OPEN) |
| 636 | /* We are being forced to close before the open completed. */ |
| 637 | return (0); |
| 638 | |
| 639 | if (sc->sc_out_pipe != NULL) { |
| 640 | usbd_close_pipe(sc->sc_out_pipe); |
| 641 | sc->sc_out_pipe = NULL; |
| 642 | } |
| 643 | if (sc->sc_in_pipe != NULL) { |
| 644 | usbd_abort_pipe(sc->sc_in_pipe); |
| 645 | usbd_close_pipe(sc->sc_in_pipe); |
| 646 | sc->sc_in_pipe = NULL; |
| 647 | if (sc->sc_in_xfer1 != NULL) { |
| 648 | usbd_free_xfer(sc->sc_in_xfer1); |
| 649 | sc->sc_in_xfer1 = NULL; |
| 650 | } |
| 651 | if (sc->sc_in_xfer2 != NULL) { |
| 652 | usbd_free_xfer(sc->sc_in_xfer2); |
| 653 | sc->sc_in_xfer2 = NULL; |
| 654 | } |
| 655 | } |
| 656 | |
| 657 | sc->sc_state = 0; |
| 658 | |
| 659 | DPRINTF(("ulptclose: closed\n")); |
| 660 | return (0); |
| 661 | } |
| 662 | |
| 663 | int |
| 664 | ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags) |
| 665 | { |
| 666 | u_int32_t n; |
| 667 | int error = 0; |
| 668 | void *bufp; |
| 669 | usbd_xfer_handle xfer; |
| 670 | usbd_status err; |
| 671 | |
| 672 | DPRINTF(("ulptwrite\n")); |
| 673 | xfer = usbd_alloc_xfer(sc->sc_udev); |
| 674 | if (xfer == NULL) |
| 675 | return (ENOMEM); |
| 676 | bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE); |
| 677 | if (bufp == NULL) { |
| 678 | usbd_free_xfer(xfer); |
| 679 | return (ENOMEM); |
| 680 | } |
| 681 | while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { |
| 682 | ulpt_statusmsg(ulpt_status(sc), sc); |
| 683 | error = uiomove(bufp, n, uio); |
| 684 | if (error) |
| 685 | break; |
| 686 | DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n)); |
| 687 | err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY, |
| 688 | USBD_NO_TIMEOUT, bufp, &n, "ulptwr"); |
| 689 | if (err) { |
| 690 | DPRINTF(("ulptwrite: error=%d\n", err)); |
| 691 | error = EIO; |
| 692 | break; |
| 693 | } |
| 694 | } |
| 695 | usbd_free_xfer(xfer); |
| 696 | |
| 697 | return (error); |
| 698 | } |
| 699 | |
| 700 | int |
| 701 | ulptwrite(struct dev_write_args *ap) |
| 702 | { |
| 703 | cdev_t dev = ap->a_head.a_dev; |
| 704 | struct ulpt_softc *sc; |
| 705 | int error; |
| 706 | |
| 707 | USB_GET_SC(ulpt, ULPTUNIT(dev), sc); |
| 708 | |
| 709 | if (sc->sc_dying) |
| 710 | return (EIO); |
| 711 | |
| 712 | sc->sc_refcnt++; |
| 713 | error = ulpt_do_write(sc, ap->a_uio, ap->a_ioflag); |
| 714 | if (--sc->sc_refcnt < 0) |
| 715 | usb_detach_wakeup(USBDEV(sc->sc_dev)); |
| 716 | return (error); |
| 717 | } |
| 718 | |
| 719 | int |
| 720 | ulptioctl(struct dev_ioctl_args *ap) |
| 721 | { |
| 722 | int error = 0; |
| 723 | |
| 724 | switch (ap->a_cmd) { |
| 725 | default: |
| 726 | error = ENODEV; |
| 727 | } |
| 728 | |
| 729 | return (error); |
| 730 | } |
| 731 | |
| 732 | #if 0 |
| 733 | /* XXX This does not belong here. */ |
| 734 | /* |
| 735 | * Print select parts of an IEEE 1284 device ID. |
| 736 | */ |
| 737 | void |
| 738 | ieee1284_print_id(char *str) |
| 739 | { |
| 740 | char *p, *q; |
| 741 | |
| 742 | for (p = str-1; p; p = strchr(p, ';')) { |
| 743 | p++; /* skip ';' */ |
| 744 | if (strncmp(p, "MFG:", 4) == 0 || |
| 745 | strncmp(p, "MANUFACTURER:", 14) == 0 || |
| 746 | strncmp(p, "MDL:", 4) == 0 || |
| 747 | strncmp(p, "MODEL:", 6) == 0) { |
| 748 | q = strchr(p, ';'); |
| 749 | if (q) |
| 750 | printf("%.*s", (int)(q - p + 1), p); |
| 751 | } |
| 752 | } |
| 753 | } |
| 754 | #endif |
| 755 | |
| 756 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
| 757 | DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0); |
| 758 | #endif |